Otto Stehlík tracks down a cold-blooded serial killer as an investigator with unconventional but all the more functional strategy.

Director Strach revealed there that season 2 is in development and could start filming in the fall of the same year.

[4] Unexpected circumstances lead docent Stehlík to the team of the Prague murder party, which is headed by the pragmatic Major Šera.

Their differences still lead them to reveal the perpetrator of so far unsolved murders and to a surprising connection with the current case which is investigated by their colleagues Málek and Plesl.

Cold-blooded murder of young woman forces him to reopen a case from 1990s and ask Stehlík for help with the investigation.